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Finding the Fourth Proportional to 60,578.83, 90,886.83 and 31,017.41

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Solution

The fourth proportional to 60,578.83, 90,886.83 and 31,017.41 is: 46,535.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,578.83 : 90,886.83 = 31,017.41 : x
  2. Step 2: Convert to fraction form
    60,578.83/90,886.83 = 31,017.41/x
  3. Step 3: Cross multiply
    60,578.83x = 90,886.83 × 31,017.41
  4. Step 4: Simplify right side
    60,578.83x = 2,819,074,069.71
  5. Step 5: Solve for x
    x = 2,819,074,069.71/60,578.83
  6. Step 6: Final answer
    x = 46,535.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.